Description
This API supports sharded cluster instances only.
Input parameters
| Name | Type | Required or not | Description |
|---|---|---|---|
| Action | String | Yes | Required parameter; value: CreateNode |
| DBInstanceId | String | Yes | Primary instance ID |
| NodeClass | String | Yes | Node specification |
| NodeStorage | String | No | Node disk space. When the instance type is Shard, this parameter cannot be left blank. |
| NodeType | Interger | No | Node type; optional values: Mongos or Shard. |
| ClientToken | String | Yes | It is used to ensure the idempotence. |
Response parameter
| Name | Type | Description |
|---|---|---|
| Public response parameters | - | For more information, see public response parameters. |